Abstract
A field experiment was conducted for two consecutive rainy seasons of 2011 and 2012 at G. B. Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar (Uttarakhand) to evaluate the “Influence of various weed management approaches on weed dynamics in rice under different crop establishment methods”. The results revealed that the lowest density and dry matter of total weeds at 60 days after sowing/days after transplanting was obtained with transplanted rice. This treatment produced the highest number of panicles/m2 and rice grain yield (4145 and 3879 kg/ha). Among the weed management practices, application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DAT recorded the minimum population and dry matter of total weeds and recorded the highest weed control efficiency which showed at par results with the application of bispyribac sodium 22.5 g/ha at 2-3 leaf stage of weeds followed by one HW at 35 DAS/DAT. This treatment produced the significantly higher number of panicles/m2, grains/panicle and grain yield.
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Claims 6
Claim · model-written summary
Transplanted rice had the lowest total weed density and dry matter at 60 days after sowing or transplanting.
- Taxon
- rice
Oryza sativae0 - Treatment
- transplanted ricee0
- Interactor
- weedse0weed
- Outcome
- density and dry matter of total weedse0
- Direction
- loweste0
- Qualifier
- 60 days after sowing/days after transplantinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results revealed that the lowest density and dry matter of total weeds at 60 days after sowing/days after transplanting was obtained with transplanted rice.”
Claim · model-written summary
Transplanted rice produced the highest number of panicles per square metre.
- Taxon
- riceOryza sativae0
- Treatment
- transplanted ricee1
- Outcome
- number of panicles/m2e0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This treatment produced the highest number of panicles/m2 and rice grain yield (4145 and 3879 kg/ha).”
e1“was obtained with transplanted rice.”
Claim · model-written summary
Transplanted rice produced the highest grain yield, 4145 and 3879 kg/ha in the two seasons.
- Taxon
- riceOryza sativae0
- Treatment
- transplanted ricee1
- Outcome
- rice grain yielde0
- Direction
- higheste0
- Value
- 4145 and 3879 kg/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This treatment produced the highest number of panicles/m2 and rice grain yield (4145 and 3879 kg/ha).”
e1“was obtained with transplanted rice.”
Claim · model-written summary
Bispyribac sodium at 20 g/ha followed by hand weeding produced the minimum total weed population and dry matter, on par with the 22.5 g/ha regimen.
- Taxon
- RiceOryza sativat0
- Treatment
- application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DATe0
- Interactor
- weedse0weed
- Outcome
- population and dry matter of total weedse0
- Direction
- minimume0
- Comparator
- application of bispyribac sodium 22.5 g/ha at 2-3 leaf stage of weeds followed by one HW at 35 DAS/DATe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DAT recorded the minimum population and dry matter of total weeds and recorded the highest weed control efficiency which showed at par results with the application of bispyribac sodium 22.5 g/ha at 2-3 leaf stage of weeds followed by one HW at 35 DAS/DAT.”
t0“Rice”
Claim · model-written summary
Bispyribac sodium at 20 g/ha followed by hand weeding gave the highest weed control efficiency, on par with the 22.5 g/ha regimen.
- Taxon
- RiceOryza sativat0
- Treatment
- application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DATe0
- Interactor
- weedse0weed
- Outcome
- weed control efficiencye0
- Direction
- higheste0
- Comparator
- application of bispyribac sodium 22.5 g/ha at 2-3 leaf stage of weeds followed by one HW at 35 DAS/DATe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DAT recorded the minimum population and dry matter of total weeds and recorded the highest weed control efficiency which showed at par results with the application of bispyribac sodium 22.5 g/ha at 2-3 leaf stage of weeds followed by one HW at 35 DAS/DAT.”
t0“Rice”
Claim · model-written summary
The 20 g/ha bispyribac sodium and hand-weeding treatment produced significantly higher panicle number, grains per panicle and grain yield.
- Taxon
- RiceOryza sativat0
- Treatment
- application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DATe1
- Outcome
- number of panicles/m2, grains/panicle and grain yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This treatment produced the significantly higher number of panicles/m2, grains/panicle and grain yield.”
e1“application of bispyribac sodium 20 g/ha at 15 DAS/DAT followed by one hand weeding at 35 DAS/DAT”
t0“Rice”
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